/*
 *  Copyright 2008-2010 the original author or authors.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.openaecfm.spf.io.kernel;

import org.openaecfm.model.kernel.Root;
import org.openaecfm.model.utility.OwnerHistory;
import org.openaecfm.spf.io.IAppDataManager;
import org.openaecfm.spf.io.IEntityInstanceUtilInput;
import org.openaecfm.spf.io.IEntityInstanceUtilOutput;
import org.openaecfm.spf.model.DollarParameter;
import org.openaecfm.spf.model.EntityInstance;
import org.openaecfm.spf.model.EntityInstanceNameParameter;
import org.openaecfm.spf.model.NodeType;
import org.openaecfm.spf.model.Parameter;
import org.openaecfm.spf.model.SimpleEntityInstance;
import org.openaecfm.spf.model.StringParameter;

public final class RootIO implements IEntityInstanceUtilInput<Root>,
		IEntityInstanceUtilOutput<Root> {
	/**
	 * {@inheritDoc}
	 */
	@Override
	public void exportSPF(Root pojo, EntityInstance ei,
			IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set GlobalId
		StringParameter globalid = new StringParameter(pojo.getGlobalId(),
				StringParameter.UTF_8);
		sei.addParameter(globalid);

		// Set OwnerHistory
		EntityInstanceNameParameter ownerhistory = new EntityInstanceNameParameter(
				appDataManager.getName(pojo.getOwnerHistory()));
		sei.addParameter(ownerhistory);

		// Set Name
		if (pojo.getName() == null) {
			sei.addParameter(DollarParameter.getInstance());
		} else {
			sei.addParameter(new StringParameter(pojo.getName(),
					StringParameter.UTF_8));
		}

		// Set Description
		if (pojo.getDescription() == null) {
			sei.addParameter(DollarParameter.getInstance());
		} else {
			sei.addParameter(new StringParameter(pojo.getDescription(),
					StringParameter.UTF_8));
		}
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveNotReferenceParameter(EntityInstance ei, Root pojo) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set GlobalId
		StringParameter globalid = (StringParameter) sei.getParameter(0);
		pojo.setGlobalId(globalid.toUTF8());

		// Set Name
		Parameter name_pro = sei.getParameter(2);
		if (name_pro.getNodeType() == NodeType.STRING) {
			StringParameter s = (StringParameter) name_pro;
			pojo.setName(s.toUTF8());
		}

		// Set Description
		Parameter des_pro = sei.getParameter(3);
		if (des_pro.getNodeType() == NodeType.STRING) {
			StringParameter s = (StringParameter) des_pro;
			pojo.setDescription(s.toUTF8());
		}
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveReferenceParameter(EntityInstance ei, Root pojo,
			IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set OwnerHistory
		EntityInstanceNameParameter ownerhistory = (EntityInstanceNameParameter) sei
				.getParameter(1);
		pojo.setOwnerHistory((OwnerHistory) appDataManager
				.getObject(ownerhistory.toInstanceName()));
	}
}
